3781670580 has 72 divisors (see below), whose sum is σ = 11969822592. Its totient is φ = 964598976.

The previous prime is 3781670573. The next prime is 3781670617. The reversal of 3781670580 is 850761873.

3781670580 is a `hidden beast` number, since 3 + 7 + 8 + 1 + 67 + 0 + 580 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 452584 + ... + 460863.

It is an arithmetic number, because the mean of its divisors is an integer number (166247536).

Almost surely, 2^3781670580 is an apocalyptic number.

3781670580 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3781670580 is an abundant number, since it is smaller than the sum of its proper divisors (8188152012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3781670580 is a wasteful number, since it uses less digits than its factorization.

3781670580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913485 (or 913480 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The square root of 3781670580 is about 61495.2890878643. The cubic root of 3781670580 is about 1557.9776802698.

The spelling of 3781670580 in words is "three billion, seven hundred eighty-one million, six hundred seventy thousand, five hundred eighty".